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The top 10 neighbors for 99 Percent Invisible span a narrow similarity band — from 0.97 down to 0.96 — with no single dominant pull and no sharp drop-off between positions. That compressed range is the defining structural fact here.
Similarity scores measure how closely two entities' audiences resemble each other in composition. The top 10 neighbors run from You're Wrong About... at 0.97 down to All Songs Considered at 0.96, a spread of just 0.015 across all ten positions. Six of the ten are Podcasts and Radio: You're Wrong About... (0.97), This American Life (0.96), Hrishikesh Hirway (0.96), Radiotopia (0.96), Radiolab (0.96), and All Songs Considered (0.96) — all sharing the center entity's own subcategory. The remaining four break from that pattern: Sam Sanders and Ira Glass are Journalists, Defector is a Blog, and NPR Music is a News Publisher. The cross-kind neighbors are not outliers — their scores sit within the same tight band — which means the audience shape that defines 99 Percent Invisible is shared almost equally by fellow podcasts and by adjacent editorial and journalistic presences.
The flat shape here signals an audience that is deeply embedded in a specific media ecosystem — public-radio-adjacent, editorially serious — rather than one organized around a single anchor.
